Here are some  international routes from Monterrey, Mexico airport.

Mty-Dallas (DFW)

Mty-Houston (IAH)

Mty-Chicago (ORD)

Mty-Atlanta (ATL)

Mty-Los Angeles (LAX)

Mty-New York (JFK)

Mty-San Antonio (SAT)

Mty-Miami (MIA)

Mty-Detroit (DTW)

Mty-Las Vegas (LAS)

Mty-Tokyo (NRT)